National Institute of Diabetes and Digestive and Kidney Diseaseshttp://www.niddk.nih.govThis group conducts and supports research on many serious diseases affecting public health.

Cystic Fibrosis Foundationhttp://www.cff.orgThis organization offers information about the illness, public policy, clinical trials and local chapters.

Teens With Crohn's Disease Websitehttp://pages.prodigy.net/mattgreen/index.htmThis site is designed for teens by a teen with inflammatory bowel disease (IBD). It contains helpful message boards, chat areas, and information about Crohn's Disease.

North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN)http://www.naspghan.org/NASPGHAN works to help children and adolescents with digestive disorders.